Iinkampani zokuthwala iithegi zeqela le-SchT 5 S ziqhotyoshelwa ngqo kwi-TS 32 mounting rail (G-rail) okanye kwi-TS 35 mounting rail (top-hat rail). Ngoko ke kunokwenzeka ukulebhelisha i-terminal strip nokuba yeyiphi i-terminal kunye nohlobo lwe-terminal.
I-SchT 5 kunye ne-SchT 5 S ifakwe kwi-ESO 5, i-STR 5 imicu yokukhusela.
I-SchT 7 sisithwali seethegi zeqela esinamaphiko seethegi ezingaphakathi ezenza kube lula ukufikelela kwi-screw yokucinezela.
I-SchT 7 ifakwe ii-ESO 7, STR 7 protective strips okanye i-DEK 5.
Iithegi ze-inlay kunye nemicu yokukhusela ingafumaneka phantsi kwe-"Accessories".